Site ID: 2203 Lat. 16.9368 Philippines Cagayan Valley
River: Magat Long. 121.6054
Site name: Cabatuen Contributing area: 4918 km2 Ratio to Comparison Station: 0.23
Latest measurement: 21-Nov-09 Mean annual runoff: 1030 mm (2003-2008)
Hydrologic status: 2 Normal flow Total runoff this year (2010): 0 mm 2010
Latest M/C ratio: 1.41 Seven day total: 25 mm
Estimated current discharge: 229 m3/sec Percent of mean 7-day total: 88.7 % (today's value compared to mean for same period, 2003-2007)
Ice-cover determination: 5 yr recurrence flood: 315 m3/sec (from Log Pearson III analysis)
Status Codes:  1 = Low flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood 314 m3/sec (from Gumbel Extreme Value analysis)
Comparison Station Information:  Temerloh (5224500)           Contributing Area:   sq mi 21579 sq km
(Data from this gaging station are used for the calibration to discharge, with an adjustment for different contributing areas)
Notes:
Discharge and runoff, based on satellite remote sensing (NASA AMSR-E data)
(For U.S, sites, nearby ground station discharge may also be shown)
2008-Present
2002-Present
Annual  Monthly Total Runoff (mm), computed from above satellite-based discharge data
Runoff
(mm) Jan Feb Mar April May June July Aug Sept Oct Nov Dec
472 2002 no data no data no data no data no data no data no data 70.9 50.6 73.2 116.7 160.4
1070 2003 90.5 52.0 66.6 68.4 62.7 103.8 143.4 88.2 63.8 76.3 96.3 158.4
1102 2004 97.6 54.2 68.7 67.6 75.7 136.0 119.5 65.4 67.8 81.9 118.7 149.1
1100 2005 100.3 51.5 71.7 70.5 66.7 114.0 146.6 66.8 58.3 70.8 133.9 148.8
831 2006 99.4 54.4 67.3 77.5 121.2 124.7 80.1 61.6 72.3 72.1 0.0 0.0
1040 2007 85.4 53.2 67.7 61.2 77.2 131.5 122.0 57.2 59.2 77.0 102.7 145.6
1038 2008 91.6 53.9 65.2 61.9 93.7 134.7 94.8 56.0 62.4 66.7 103.9 153.3
890 2009 97.4 54.9 61.8 69.9 84.4 110.2 125.3 71.6 64.5 74.5 75.3 0.0
0 2010 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Mean Annual Runoff (mm): 9 Standard Deviation: 107
Trend in Annual Runoff (slope):  -36.1
Discharge is estimated via a rating equation directly from the remote sensing data (M/C ratio) shown below.